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所在平台: Udemy |
课程主页: https://www.udemy.com/course/databricks-certified-developer-for-spark-30-practice-exams/
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**课程名称：** Databricks Associate Developer Practice Exam in Python/Scala (Python/Scala Databricks 关联开发者练习考试) **课程概述：** 本课程提供一套全面、逼真且高质量的 Databricks Developer 300 重要练习题，旨在帮助您为 Databricks Certified Developer for Apache Spark 3.0 (Python and Scala) 考试做好充分准备。这些最新的练习题将为您提供通过考试所需的知识和信心。所有题目均是全新编写，紧贴真实考试的话题分布和风格，涵盖了 Python、Scala 和 Apache Spark 3.0 的具体内容。 **主要亮点：** * **内容全面：** 覆盖了 Spark 架构（概念和应用）、Spark DataFrame API 应用等所有考试主题。 * **贴近实考：** 题目根据真实考试的比例和风格编写，紧跟 Apache Spark 3.0 的最新特性。 * **提供解释：** 大部分题目附带详细解释，帮助您从错误中学习。 * **实用技巧：** 提供宝贵的考试技巧、窍门和代码片段，可在 Databricks Community Edition 上免费运行。 * **专注知识评估：** 题目的主要目标是评估您对 Apache Spark 3.0 的知识掌握程度，而非提供考试原题。 **涵盖的主题：** 1. **Spark 架构：概念理解 (~17%)** * 对 Spark 架构有基本了解，包括 Slot、Driver、Executor、Stage、Node、Job 等概念及它们之间的关系。 * **新的 Spark 3.0 特性：** Adaptive Query Execution (AQE)。 2. **Spark 架构：应用理解 (~11%)** * 场景题，涉及集群配置和部署模式。 3. **Spark DataFrame API 应用 (~72%)** * 语法相关的题目。 * Coalesce vs Repartition。 * Cache 和 Persist 的类型。 * 读写 Parquet/Text/JSON 文件。 * DataFrame Joins。 * Registering UDF。 * Broadcast。 * Spark SQL。 * Partition 数量。 * Garbage Collection。 **谁适合本课程：** 准备参加 Databricks Certified Associate Developer for Apache Spark 3.0 考试并希望评估和练习自身技能的开发者。 **温馨提示：** 除了本课程练习题，建议您结合其他学习资源，以获得对真实考试的深入理解。
Look no further if you're looking for a comprehensive set of realistic, high-quality Databricks Developer 300 important Practice Exams questions to prepare for the Databricks Certified Developer for Apache Spark 3.0 exam in Python and Scala.These up-to-date Databricks Developer practise exams question which will give you the knowledge and confidence you need to pass the exam with flying colours. Based on the actual distribution of topics and tone in the real exam, all questions were written from scratch. The questions cover all of the exam themes, including Python and Scala and Apache Spark 3.0 specifics.Most questions include detailed explanations, allowing you to learn from your mistakesThese Databricks Developer practice exams come with valuable exam tips & tricks and code snippets that you can execute for free on the Databricks Community Edition. These supplemental materials will help you understand the many tricky details of the exam and the Spark syntax, giving you the knowledge and confidence you need to be a top performer in the real exam! Please go through other resources as well to get deep understanding of real exam. These Questions are only for your exam practice following topics covers:Spark Architecture: Conceptual understanding (~17%):You should have basic knowledge on the architecture. You need to understand the concepts of slot, driver, executor, stage, node, job etc. and the relations in between.Adaptive Query Execution (New in Spark 3.0)Spark Architecture: Applied understanding (~11%):Scenario-based Cluster configurationDeployment ModesSpark DataFrame API Applications (~72%):Syntax related questionsCoalesce vs repartitionCache and Persist typesRead and Write parquet/text/JSON fileData frame JoinsTransformation vs ActionLazy evaluationRegistering UDFBroadcastSpark SQLPartition numberGarbage CollectionAre you ready to assess yourself and practice the Databricks Certified Associate Developer for Apache Spark 3.0 exam?See you in the course!Note: these are not exam dumps. The questions main goal is to assess your Apache Spark 3.0 knowledge.
